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by Jasper_
1596 days ago
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The difference is that .sort() only uses the sign of the return value and ignores the magnitude. Ultimately, all the sort algorithm needs is the boundary condition, e.g. a comparator. The SDF equivalent needs both the sign (is this point inside or outside of this implicit surface), alongside the magnitude, to determine the closest hit. I don't see how they're that interlinked other than saying that signed distance functions are a subset of comparators. |
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